2016 Polygon Bikes Helios C5 Base

Design
Drop Bar, Rigid, non-suspension corrected
Frame
Aluminum
Fork
Carbon/Composite
Features
Rim brake
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category
Average stack and reachvs category
Somewhat upright stack and reachvs category
Average stack and reachvs category
Somewhat upright stack and reachvs category

Geometry

XS
S
M
L
XL
XXL
Stack
517.8mm
524.3mm
538.5mm
565.9mm
581.9mm
626.8mm
Reach
356.5mm
359.7mm
365.3mm
367.4mm
382.1mm
383.4mm
Stack to Reach Ratio
1.45:1
1.46:1
1.47:1
1.54:1
1.52:1
1.63:1
Seat Tube Length, C-T
460mm
480mm
500mm
530mm
560mm
580mm
Top Tube Length, Effective/Horizontal Center
510mm
515mm
520mm
535mm
560mm
575mm
Top Tube Length, Effective/Horizontal Unknown
494.8mm
501.5mm
506.5mm
520.9mm
547.5mm
557.4mm
Top Tube Slope
8.8deg
7.2deg
6.6deg
6.4deg
4.9deg
7.4deg
Head Tube Angle
70.5deg
71deg
71deg
72deg
72.5deg
73deg
Seat Tube Angle
74.5deg
74.5deg
74deg
73.5deg
73deg
73deg
Head Tube Length
120mm
125mm
140mm
165mm
180mm
225mm
Bottom Bracket Drop
70mm
70mm
70mm
70mm
70mm
70mm
Bottom Bracket Height
264mm
264mm
264mm
264mm
264mm
264mm
Chainstay Length
420mm
420mm
420mm
420mm
420mm
420mm
Chainstay Length Horizontal
414.1mm
414.1mm
414.1mm
414.1mm
414.1mm
414.1mm
Front-Center
577.1mm
577.9mm
578.8mm
580.1mm
594.8mm
604.7mm
Front-Center Horizontal
572.8mm
573.6mm
574.6mm
575.9mm
590.7mm
600.6mm
Wheelbase
987mm
987.8mm
988.7mm
990mm
1004.8mm
1014.8mm
Fork Offset/Rake
45mm
45mm
45mm
45mm
45mm
45mm
Trail
70.5mm
high
67.4mm
high
67.4mm
high
61.2mm
mid/​neutral
58.1mm
mid/​neutral
55.1mm
mid/​neutral
Mechanical Trail
66.5mm
63.7mm
63.7mm
58.2mm
55.4mm
52.7mm
Wheel Flop
22.2mm
20.8mm
20.8mm
18mm
16.7mm
15.4mm
Standover Height
696.2mm
712.1mm
731.1mm
760.1mm
786mm
812.9mm
Tire to Pedal Spindle
73.1mm
170 mm cranks
73.9mm
170 mm cranks
74.8mm
170 mm cranks
76.1mm
170 mm cranks
85.8mm
175 mm cranks
95.7mm
175 mm cranks
Pedal Spindle to Ground Clearance
94mm
170 mm cranks
94mm
170 mm cranks
94mm
170 mm cranks
94mm
170 mm cranks
89mm
175 mm cranks
89mm
175 mm cranks

Base Build

XS
S
M
L
XL
XXL
Wheel Size
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
23mm
23mm
23mm
23mm
23mm
23mm
Tire Outer Diameter
668mm
668mm
668mm
668mm
668mm
668mm
Bike Length with Tires
1655mm
1655.8mm
1656.7mm
1658mm
1672.8mm
1682.8mm
Crank Length
175mm
175mm
Handlebar Width
42mm
42mm
Stem Length
100mm

Stack and Reach vs. Category Trend

Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

Learn more about the Upright/Aggressive Scale
Category Trend
Endurance Road
Source:https://geometrygeeks.bike/bike/polygon-bikes-helios-c4-2016/